<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <script src="vue.js"></script>
  <script src="vue-router.js"></script>
</head>
<body>
  <div id="app">
    <router-link to="/login" tag="span">前往登录</router-link>
    <router-view></router-view>
  </div>
  <script>
    // 创建组件
    var login = {
      template: '<h1>登录组件</h1>'
    }
    var routerObj = new VueRouter({
      routes: [ 
        // 配置路由匹配规则
         {path: '/login', component: login }
      ]
    })
    var vm = new Vue({
      el: '#app',
      // 将路由规则对象注册到vm实例上
      router: routerObj
    })
  </script>
</body>
</html>